{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43431",
    "entityType": "User",
    "nonce": "0xd8a58df620dffe3262349e61163be7f9f0dfee32d202e1ed7d4c007b44532cb1",
    "signature": "0x509e3aca8786f3074cb2064a815b88b5d46016686aadd2a867fe6950121fa8381cc32ffd578f439eb4ce16f07caffb9b00dbbf8688c43708361096e1d88aa2dd1b",
    "signer": "0xD2Aac9AfBCCCD7fe1cE86a4b23E8e304cBb38aD3",
    "userId": "472132674"
  }
}